Nyamuswa weather in January

In January, Nyamuswa sees average daytime highs of 28°C and overnight lows near 18°C, with 143 mm of rain across 20 wet days and about 12.1 hours of daylight. It is the 10th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 21% of the time in January, and the air most often feels humid.

Daylight stretches from about 12 h 06 min at the start of January to 12 h 06 min by month's end. Set against the rest of the year, January is Nyamuswa's 7th-clearest and 7th-windiest month. For the whole year in context, see Nyamuswa's year-round climate.

Daytime high
28°
10th warmest
Overnight low
18°
2nd coldest
Rainfall
143 mm
20 wet days
Daylight
12 h 06 min
6:50 AM – 6:56 PM
Cloud cover
65%
7th clearest
Wind
6 km/h
7th windiest
Solar energy
5.92 kWh/m²
Travel score
4.9
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical January day in Nyamuswa reaches about 28°C in the afternoon and slips back to 18°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 30°C. Set against its neighbours, January runs on par with December and about 1°C cooler than February.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12818
22818
32818
42818
52818
62818
72818
82818
92818
102818
112818
122818
132818
142818
152818
162818
172818
182818
192818
202818
212818
222818
232818
242818
252818
262818
272818
282818
292818
302818
312818

Nyamuswa weather by month

How January compares with the rest of the year at a glance. January is the 10th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 18°1432012.14.9
Feb29° / 18°11317.112.14.5
Mar29° / 18°15019.8124.4
Apr28° / 18°16020.3124.6
May28° / 18°7312.911.95.7
Jun28° / 18°275.911.96.2
Jul29° / 18°133.211.96.3
Aug29° / 18°33611.95.8
Sep30° / 19°478.7125.1
Oct30° / 19°8814.2124.5
Nov28° / 18°16620.512.14.4
Dec27° / 18°17321.812.14.7

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 21% of January, with mostly cloudy or overcast conditions the remaining 58%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14258
24258
34258
44258
54258
64258
74159
84159
94159
104159
114159
124159
134159
144159
154258
164357
174357
184357
194357
204357
214357
224357
234357
244456
254456
264357
274456
284456
294456
304456
314456

Chance of precipitation in January

Any precipitation

Nyamuswa gets around 143 mm of rain over 20 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 64% and peaks near 68% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
166
266
367
467
567
667
768
868
968
1068
1167
1267
1367
1466
1565
1665
1764
1863
1963
2062
2162
2262
2361
2461
2561
2661
2760
2860
2960
3060
3159

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

Most of January feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, January lands in the humid band about 67% of days. Sticky, muggy-or-worse air turns up on roughly 22% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1296623
2196624
3196624
4196624
5196525
6196525
7196525
8196624
9196624
10196624
11196723
12196723
13196822
14196822
15196822
16196921
17196921
18296821
19296920
20296920
21296920
222106820
232106820
243106720
253106720
263106720
273106720
283106720
293106720
303116620
313116620

Wind in January

Winds average 6 km/h in January.

Across January, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 12 h 06 min at the start of January to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over January. Sunrise moves from 6:44 AM to 6:55 AM, and sunset from 6:50 PM to 7:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:446:50
212.16:446:51
312.16:456:51
412.16:456:52
512.16:466:52
612.16:466:52
712.16:476:53
812.16:476:53
912.16:476:54
1012.16:486:54
1112.16:486:54
1212.16:496:55
1312.16:496:55
1412.16:496:56
1512.16:506:56
1612.16:506:56
1712.16:516:57
1812.16:516:57
1912.16:516:57
2012.16:526:57
2112.16:526:58
2212.16:526:58
2312.16:536:58
2412.16:536:58
2512.16:536:59
2612.16:546:59
2712.16:546:59
2812.16:546:59
2912.16:546:59
3012.16:557:00
3112.16:557:00

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.92 kWh/m².

For context, solar energy here swings from a low near 5.43 kWh/m² to a high of 6.33 kWh/m² in February across the year — January's 5.92 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.9Bright
145.9Bright
155.9Bright
165.9Bright
175.9Bright
185.9Bright
196.0Bright
206.0Bright
216.0Intense
226.0Intense
236.0Intense
246.1Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.1Intense
306.2Intense
316.2Intense
Planning a trip in January

Hazard calendar for Nyamuswa

In seasonPeak

In January, Nyamuswa sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Nyamuswa's rainy season runs October–April, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is January a good time to visit Nyamuswa?

Our two travel scores rate January for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

4.9
Sightseeing
6th-best month of the year
5.2
Beach & pool
9th-best month of the year

January is a reasonable time to visit Nyamuswa for sightseeing.

What to pack for Nyamuswa in January

From January's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In January, Nyamuswa sees daytime highs around 28°C and nights near 18°C. Pack light clothes and rain gear. Worth having: sun protection. About 20 days see rain.

light clothesrain gearsun protection

UV index in Nyamuswa in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 15 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Nyamuswa peaks around March 17 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 10 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeExtremeMar 17UV 16Jun 18UV 10
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar16Extreme
Apr15Extreme
May12Extreme
Jun9Very high
Jul11Extreme
Aug12Extreme
Sep13Extreme
Oct14Extreme
Nov13Extreme
Dec12Extreme

Air quality in Nyamuswa in January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.

Air quality in Nyamuswa is worst in July — around 20 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (November, 10 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodJul 1319 µg/m³Nov 1410 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb16Moderate
Mar13Moderate
Apr11Good
May12Good
Jun18Moderate
Jul20Moderate
Aug16Moderate
Sep15Moderate
Oct11Good
Nov10Good
Dec12Good
Location & terrain

Where is Nyamuswa?

Nyamuswa sits at 1.9°S, 34.0°E, 1,386 m above sea level, in Tanzania. The nearest listed city is Butiama, 16 km away.

TarimeMatongoMugumuNyakabindi

Topography around Nyamuswa

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Nyamuswa.

Within 3 km, the terrain around Nyamuswa has only modest variations in elevation — a maximum elevation change of 176 m around an average of 1,370 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 573 m; within 80 km, large variations in elevation — a maximum elevation change of 656 m.

The land around Nyamuswa is covered by cropland (57%) and shrubs (21%) within 3 km, cropland (53%) and shrubs (28%) within 16 km, and grassland (33%) and cropland (32%) within 80 km.

3 km
176 m
16 km
573 m
80 km
656 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
January weather nearby: Butiama 16 km · Bunda 21 km · Musoma 51 km · Kibara 69 km · Tarime 72 km · Matongo 74 km · Mugumu 76 km · Nyakabindi 82 km

Tanzania travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type D / G
230 V · 50 Hz
Prices
≈ 29% of US
price level, 2025
GDP per capita
$1,319
2025
Happiness
3.9 / 10
World Happiness, 2025
Safe drinking water
31%
of population, 2024
Homicide rate
3.7
per 100k, 2020
Road deaths
31.1
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Low
EF EPI 479
Religion
Christian 63%Muslim 34%folk religion 1%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Nyamuswa (-1.9°, 34.0167°, elevation 1,386 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).